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Author:
rdwo (MD)
To dampen a noise apparently coming from my electric hot water heater, the plumber emptied it to lighten the weight and placed a folded cardboard box between the floor and the hot water heater. He then refilled it. Aside from the fact that it did not help, is this a fire hazard or possible fire code violation (Maryland)?
Edited 1 times.
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Author:
bernabeu (SC)
? Are you absolutely SURE he is a plumber ?
Sounds just like the description of a shoemaker.
My apologies to the skilled shoemakers of the world.
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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
hj (AZ)
No, but what kind of noise is coming from an electric water heater?
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Author:
rdwo (MD)
Yes, or at least he works for a well known plumbing company in the Baltimore area.
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Author:
rdwo (MD)
The noise sounds like a loud drip or perhaps a click and occurs a few seconds after the toilet in the unit is flushed. It last for just a few seconds. I am told it also occurs when other units in the building are running their dishwashers, showers etc. The occupant is being awakened by it at night. The hot water heater is 17 years old. The "plumber" did not think it was malfunction but rather a result of the hot water heater vibrating against the tile flooring on which it sits. That is why he decided to insert the cardboard. The noise did seem go away completely immediately after he completed the work, but it came back later in the day.
Hj, when you say "no" are you saying it okay to do it and I should not be concerned about it being a fire hazard?
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Author:
hj (AZ)
It is not a fire hazard, but there was also no reason to do it, because the heater does NOT "vibrate".
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Author:
rdwo (MD)
So you think noise might be mineral deposits that settled again after the hot water heater was refilled? Would a flush have been a better option? Or do I likely need a new hot water heater if the occupant cannot put up with the noise?
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Author:
hj (AZ)
It appears to be a pressure problem when a faucet or toilet is used. Heaters that old did not usually have "heat traps" but if it does, it could be a ball in the cold water side bouncing when the pressure drops. An expansion tank in the cold water side should stabilize the pressure and stop the noise.
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